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In my pdns/ldap
(tree) on CentOS 5.5, I am setting up a domain (say:
'example.com') with its single SOA record. This has several
virtual subzones (a.example.com, b.example.com etc.) which
include their own MX records but are not delegated: the same NS
records (as defined in the example.com entry) are used for the
whole domain (zone) and its subdomains (subzones). The LDAP server also includes 5 in-addr.arpa zones (which correspond to the 5 available LANs = Class-C subnets) for reverse mapping. Everything seems to be working fine when the pdns server is queried for any records, which obviously means that pdns sees everything correctly in ldap. (One problem however: queries for example.com and its subdomains/hosts indicate AUTHORITY: 0. I would expect it to indicate AUTHORITY: 1 in such queries. Any hint on this?) For testing (preparing a production environment), I have setup a BIND9 slave ( which uses pdns as master. Everything seems to run smoothly, messages in logs indicate successful zone transfers, no errors either in BIND or in pdns logs, BUT a large number of A records in some of the subdomains is not transferred at all (however, some of the A records are transferred). Interestingly, the PTR records in all in-addr.arpa zones seem to be transferred correctly. The slave is also CentOS 5.5 with bind-9.3.6-4.P1.el5_4.2. The BIND9 zone file for example.com (as produced by slaving), includes all subdomains, specifies their MX records, but it misses a large number of A records. I waited for several AXFRs, to check if subsequent zone transfers would correct things, but nothing changed. The transferred records are always the same. In the meantime, just in case, I have tried switching from the 2.9.22 rpm which I had found in a repository, to the more standard 2.9.21-4 rpm included in the 'extras' CentOS repositories, but the behavior is exactly the same. (I am using CentOS 5.5 with a 2.6.18-194.11.3.el5 kernel). I would come to the conclusion that AXFR is not being sent correctly by pdns, because, if a full set of records is being sent, why the slave is not registering the complete set of records? All rpms (and the servers) are x86_64. Any suggestions? How can I troubleshoot this in more detail? Thanks in advance, Nick |
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